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authorThe Miri Cronjob Bot <miri@cron.bot>2025-09-05 05:00:55 +0000
committerThe Miri Cronjob Bot <miri@cron.bot>2025-09-05 05:00:55 +0000
commit7c5fdb072e3d07674ba88153a4cac4f792c20fdc (patch)
tree78897a875065b81c78004b1cd0f83e78254fb11d /library/core/src/array/mod.rs
parent9a1eb85394e3612213e829ed871eb281079a2364 (diff)
parentb6f8824315367f73e43efe08f6e5a88cc3f117ce (diff)
downloadrust-7c5fdb072e3d07674ba88153a4cac4f792c20fdc.tar.gz
rust-7c5fdb072e3d07674ba88153a4cac4f792c20fdc.zip
Merge ref 'b3cfb8faf84c' from rust-lang/rust
Pull recent changes from https://github.com/rust-lang/rust via Josh.

Upstream ref: b3cfb8faf84c5f3b7909479a9f9b6a3290d5f4d7
Filtered ref: 8995aa7743caf019203bc853f27af6006705ae30
Upstream diff: https://github.com/rust-lang/rust/compare/9385c64c95d971329e62917adc4349c8ccdbafe0...b3cfb8faf84c5f3b7909479a9f9b6a3290d5f4d7

This merge was created using https://github.com/rust-lang/josh-sync.
Diffstat (limited to 'library/core/src/array/mod.rs')
-rw-r--r--library/core/src/array/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs
index 4cdc046f71e..d14419a23a1 100644
--- a/library/core/src/array/mod.rs
+++ b/library/core/src/array/mod.rs
@@ -48,6 +48,7 @@ pub use iter::IntoIter;
 /// assert_eq!(strings, ["Hello there!", "Hello there!"]);
 /// ```
 #[inline]
+#[must_use = "cloning is often expensive and is not expected to have side effects"]
 #[stable(feature = "array_repeat", since = "CURRENT_RUSTC_VERSION")]
 pub fn repeat<T: Clone, const N: usize>(val: T) -> [T; N] {
     from_trusted_iterator(repeat_n(val, N))